In a digital weir, open loop digital control is applied, and the method is simple and reliable. And it can give accurate flow according to the given process curve.

数字量水堰是开环控制方式，方法简便可靠，可以按给定的过程曲线精确可靠地施放流量。

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This paper introduces the application of principle and structure of Open-top type proportion weir flow sensor and the features flow of this sensor.

文中介绍了无顶式比例堰流量传感器的基本原理和结构，研究了无顶比例堰的流量特性。

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The calculation of right angled triangle weir-type open channel flowmeter is described. A high precision experiential flow calculating formula is given.

论述了直角三角形堰式明渠流量计算问题，提出了一种高精度流量计算经验公式。

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Masters champion Mike Weir lies second on level par, with Open champion Ben Curtis one over and USPGA winner Shaun Micheel two strokes back.

BBC: SPORT | Golf | Furyk storms clear

Canada's Mike Weir looked like he might challenge for the Open after a strong opening, but a poor inward nine saw him slip back to three over.

BBC: SPORT | Golf | Levet, Weir challenge fades

"My history is not good here, " said Weir, who missed the cut in his first nine attempts at his national open.

BBC: Waite out in front